*{
    margin:0;
    padding: 0;
}

h4{
    text-align: center;
    padding-top: 80px;
}
li{
    list-style: none;
}
.tabsbox{
    position: fixed;
    top:120px;
    left:600px;
    width: 800px;
    height: 400px;
    border: 1px solid pink;

}
.firstnav{
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    width: 100%;
    height: 50px;
}
li{
    position: relative;
    float: left;
    width: 79px;
    height: 50px;
    border-right: 1px solid #ccc;
    text-align: center;
    border-bottom:1px solid #ccc;
    line-height: 50px;
}
.tabadd span{
    float: right;
    width: 30px;
    height: 28px;
    border:1px solid #ccc;
    margin:10px;
    text-align: center;
    line-height: 28px;
}
.liactive{
    /* border-bottom:0!important; */
    border-bottom:hidden;
}
.confont{
    position: absolute;
    top:0;
    right: 0;
    width: 10px;
    height: 10px;
    background-color: #000;
    border-bottom-left-radius: 100%;
}
.tabadd{
    flex:2;
    height: 100%;
    border-bottom:1px solid #ccc;

}
section{
    display: none;
}
.conactive{
    display: block;
    padding:20px 0 0 20px;
}
input{
    width: 70px;
    height: 30px;
}
